2009-09-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>

* configure.ac: Check for GFORTRAN_C99_1.1 funcs in OS libm.
        * configure: Regenerate.
        * config.h.in: Ditto.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@151972 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 892 insertions, 0 deletions

diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index af4cbfddcdb..ab6348b82fc 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,9 @@
+2009-09-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
+
+	* configure.ac: Check for GFORTRAN_C99_1.1 funcs in OS libm.
+        * configure: Regenerate.
+        * config.h.in: Ditto.
+
 2009-09-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	PR libgfortran/41328
diff --git a/libgfortran/config.h.in b/libgfortran/config.h.in
index 4873fd5d934..bdf3b4ac49f 100644
--- a/libgfortran/config.h.in
+++ b/libgfortran/config.h.in
@@ -108,6 +108,24 @@
 /* libm includes cabsl */
 #undef HAVE_CABSL
 
+/* libm includes cacos */
+#undef HAVE_CACOS
+
+/* libm includes cacosf */
+#undef HAVE_CACOSF
+
+/* libm includes cacosh */
+#undef HAVE_CACOSH
+
+/* libm includes cacoshf */
+#undef HAVE_CACOSHF
+
+/* libm includes cacoshl */
+#undef HAVE_CACOSHL
+
+/* libm includes cacosl */
+#undef HAVE_CACOSL
+
 /* libm includes carg */
 #undef HAVE_CARG
 
@@ -117,6 +135,42 @@
 /* libm includes cargl */
 #undef HAVE_CARGL
 
+/* libm includes casin */
+#undef HAVE_CASIN
+
+/* libm includes casinf */
+#undef HAVE_CASINF
+
+/* libm includes casinh */
+#undef HAVE_CASINH
+
+/* libm includes casinhf */
+#undef HAVE_CASINHF
+
+/* libm includes casinhl */
+#undef HAVE_CASINHL
+
+/* libm includes casinl */
+#undef HAVE_CASINL
+
+/* libm includes catan */
+#undef HAVE_CATAN
+
+/* libm includes catanf */
+#undef HAVE_CATANF
+
+/* libm includes catanh */
+#undef HAVE_CATANH
+
+/* libm includes catanhf */
+#undef HAVE_CATANHF
+
+/* libm includes catanhl */
+#undef HAVE_CATANHL
+
+/* libm includes catanl */
+#undef HAVE_CATANL
+
 /* libm includes ccos */
 #undef HAVE_CCOS
 
diff --git a/libgfortran/configure b/libgfortran/configure
index 2738f51337d..5fcd8d23e07 100755
--- a/libgfortran/configure
+++ b/libgfortran/configure
@@ -23275,6 +23275,818 @@ $as_echo "#define HAVE_LGAMMAL 1" >>confdefs.h
 fi
 
 
+# Check for GFORTRAN_C99_1.1 funcs
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cacos in -lm" >&5
+$as_echo_n "checking for cacos in -lm... " >&6; }
+if test "${ac_cv_lib_m_cacos+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char cacos ();
+int
+main ()
+{
+return cacos ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_cacos=yes
+else
+  ac_cv_lib_m_cacos=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_cacos" >&5
+$as_echo "$ac_cv_lib_m_cacos" >&6; }
+if test "x$ac_cv_lib_m_cacos" = x""yes; then :
+
+$as_echo "#define HAVE_CACOS 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cacosf in -lm" >&5
+$as_echo_n "checking for cacosf in -lm... " >&6; }
+if test "${ac_cv_lib_m_cacosf+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char cacosf ();
+int
+main ()
+{
+return cacosf ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_cacosf=yes
+else
+  ac_cv_lib_m_cacosf=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_cacosf" >&5
+$as_echo "$ac_cv_lib_m_cacosf" >&6; }
+if test "x$ac_cv_lib_m_cacosf" = x""yes; then :
+
+$as_echo "#define HAVE_CACOSF 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cacosh in -lm" >&5
+$as_echo_n "checking for cacosh in -lm... " >&6; }
+if test "${ac_cv_lib_m_cacosh+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char cacosh ();
+int
+main ()
+{
+return cacosh ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_cacosh=yes
+else
+  ac_cv_lib_m_cacosh=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_cacosh" >&5
+$as_echo "$ac_cv_lib_m_cacosh" >&6; }
+if test "x$ac_cv_lib_m_cacosh" = x""yes; then :
+
+$as_echo "#define HAVE_CACOSH 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cacoshf in -lm" >&5
+$as_echo_n "checking for cacoshf in -lm... " >&6; }
+if test "${ac_cv_lib_m_cacoshf+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char cacoshf ();
+int
+main ()
+{
+return cacoshf ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_cacoshf=yes
+else
+  ac_cv_lib_m_cacoshf=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_cacoshf" >&5
+$as_echo "$ac_cv_lib_m_cacoshf" >&6; }
+if test "x$ac_cv_lib_m_cacoshf" = x""yes; then :
+
+$as_echo "#define HAVE_CACOSHF 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cacoshl in -lm" >&5
+$as_echo_n "checking for cacoshl in -lm... " >&6; }
+if test "${ac_cv_lib_m_cacoshl+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char cacoshl ();
+int
+main ()
+{
+return cacoshl ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_cacoshl=yes
+else
+  ac_cv_lib_m_cacoshl=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_cacoshl" >&5
+$as_echo "$ac_cv_lib_m_cacoshl" >&6; }
+if test "x$ac_cv_lib_m_cacoshl" = x""yes; then :
+
+$as_echo "#define HAVE_CACOSHL 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cacosl in -lm" >&5
+$as_echo_n "checking for cacosl in -lm... " >&6; }
+if test "${ac_cv_lib_m_cacosl+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char cacosl ();
+int
+main ()
+{
+return cacosl ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_cacosl=yes
+else
+  ac_cv_lib_m_cacosl=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_cacosl" >&5
+$as_echo "$ac_cv_lib_m_cacosl" >&6; }
+if test "x$ac_cv_lib_m_cacosl" = x""yes; then :
+
+$as_echo "#define HAVE_CACOSL 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for casin in -lm" >&5
+$as_echo_n "checking for casin in -lm... " >&6; }
+if test "${ac_cv_lib_m_casin+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char casin ();
+int
+main ()
+{
+return casin ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_casin=yes
+else
+  ac_cv_lib_m_casin=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_casin" >&5
+$as_echo "$ac_cv_lib_m_casin" >&6; }
+if test "x$ac_cv_lib_m_casin" = x""yes; then :
+
+$as_echo "#define HAVE_CASIN 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for casinf in -lm" >&5
+$as_echo_n "checking for casinf in -lm... " >&6; }
+if test "${ac_cv_lib_m_casinf+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char casinf ();
+int
+main ()
+{
+return casinf ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_casinf=yes
+else
+  ac_cv_lib_m_casinf=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_casinf" >&5
+$as_echo "$ac_cv_lib_m_casinf" >&6; }
+if test "x$ac_cv_lib_m_casinf" = x""yes; then :
+
+$as_echo "#define HAVE_CASINF 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for casinh in -lm" >&5
+$as_echo_n "checking for casinh in -lm... " >&6; }
+if test "${ac_cv_lib_m_casinh+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char casinh ();
+int
+main ()
+{
+return casinh ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_casinh=yes
+else
+  ac_cv_lib_m_casinh=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_casinh" >&5
+$as_echo "$ac_cv_lib_m_casinh" >&6; }
+if test "x$ac_cv_lib_m_casinh" = x""yes; then :
+
+$as_echo "#define HAVE_CASINH 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for casinhf in -lm" >&5
+$as_echo_n "checking for casinhf in -lm... " >&6; }
+if test "${ac_cv_lib_m_casinhf+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char casinhf ();
+int
+main ()
+{
+return casinhf ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_casinhf=yes
+else
+  ac_cv_lib_m_casinhf=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_casinhf" >&5
+$as_echo "$ac_cv_lib_m_casinhf" >&6; }
+if test "x$ac_cv_lib_m_casinhf" = x""yes; then :
+
+$as_echo "#define HAVE_CASINHF 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for casinhl in -lm" >&5
+$as_echo_n "checking for casinhl in -lm... " >&6; }
+if test "${ac_cv_lib_m_casinhl+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char casinhl ();
+int
+main ()
+{
+return casinhl ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_casinhl=yes
+else
+  ac_cv_lib_m_casinhl=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_casinhl" >&5
+$as_echo "$ac_cv_lib_m_casinhl" >&6; }
+if test "x$ac_cv_lib_m_casinhl" = x""yes; then :
+
+$as_echo "#define HAVE_CASINHL 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for casinl in -lm" >&5
+$as_echo_n "checking for casinl in -lm... " >&6; }
+if test "${ac_cv_lib_m_casinl+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char casinl ();
+int
+main ()
+{
+return casinl ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_casinl=yes
+else
+  ac_cv_lib_m_casinl=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_casinl" >&5
+$as_echo "$ac_cv_lib_m_casinl" >&6; }
+if test "x$ac_cv_lib_m_casinl" = x""yes; then :
+
+$as_echo "#define HAVE_CASINL 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for catan in -lm" >&5
+$as_echo_n "checking for catan in -lm... " >&6; }
+if test "${ac_cv_lib_m_catan+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char catan ();
+int
+main ()
+{
+return catan ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_catan=yes
+else
+  ac_cv_lib_m_catan=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_catan" >&5
+$as_echo "$ac_cv_lib_m_catan" >&6; }
+if test "x$ac_cv_lib_m_catan" = x""yes; then :
+
+$as_echo "#define HAVE_CATAN 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for catanf in -lm" >&5
+$as_echo_n "checking for catanf in -lm... " >&6; }
+if test "${ac_cv_lib_m_catanf+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char catanf ();
+int
+main ()
+{
+return catanf ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_catanf=yes
+else
+  ac_cv_lib_m_catanf=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_catanf" >&5
+$as_echo "$ac_cv_lib_m_catanf" >&6; }
+if test "x$ac_cv_lib_m_catanf" = x""yes; then :
+
+$as_echo "#define HAVE_CATANF 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for catanh in -lm" >&5
+$as_echo_n "checking for catanh in -lm... " >&6; }
+if test "${ac_cv_lib_m_catanh+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char catanh ();
+int
+main ()
+{
+return catanh ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_catanh=yes
+else
+  ac_cv_lib_m_catanh=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_catanh" >&5
+$as_echo "$ac_cv_lib_m_catanh" >&6; }
+if test "x$ac_cv_lib_m_catanh" = x""yes; then :
+
+$as_echo "#define HAVE_CATANH 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for catanhf in -lm" >&5
+$as_echo_n "checking for catanhf in -lm... " >&6; }
+if test "${ac_cv_lib_m_catanhf+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char catanhf ();
+int
+main ()
+{
+return catanhf ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_catanhf=yes
+else
+  ac_cv_lib_m_catanhf=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_catanhf" >&5
+$as_echo "$ac_cv_lib_m_catanhf" >&6; }
+if test "x$ac_cv_lib_m_catanhf" = x""yes; then :
+
+$as_echo "#define HAVE_CATANHF 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for catanhl in -lm" >&5
+$as_echo_n "checking for catanhl in -lm... " >&6; }
+if test "${ac_cv_lib_m_catanhl+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char catanhl ();
+int
+main ()
+{
+return catanhl ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_catanhl=yes
+else
+  ac_cv_lib_m_catanhl=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_catanhl" >&5
+$as_echo "$ac_cv_lib_m_catanhl" >&6; }
+if test "x$ac_cv_lib_m_catanhl" = x""yes; then :
+
+$as_echo "#define HAVE_CATANHL 1" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for catanl in -lm" >&5
+$as_echo_n "checking for catanl in -lm... " >&6; }
+if test "${ac_cv_lib_m_catanl+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char catanl ();
+int
+main ()
+{
+return catanl ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_catanl=yes
+else
+  ac_cv_lib_m_catanl=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_catanl" >&5
+$as_echo "$ac_cv_lib_m_catanl" >&6; }
+if test "x$ac_cv_lib_m_catanl" = x""yes; then :
+
+$as_echo "#define HAVE_CATANL 1" >>confdefs.h
+
+fi
+
+
 # On AIX, clog is present in libm as __clog
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __clog in -lm" >&5
 $as_echo_n "checking for __clog in -lm... " >&6; }
diff --git a/libgfortran/configure.ac b/libgfortran/configure.ac
index 28d5d0f5264..104f2c18d5a 100644
--- a/libgfortran/configure.ac
+++ b/libgfortran/configure.ac
@@ -409,6 +409,26 @@ AC_CHECK_LIB([m],[lgamma],[AC_DEFINE([HAVE_LGAMMA],[1],[libm includes lgamma])])
 AC_CHECK_LIB([m],[lgammaf],[AC_DEFINE([HAVE_LGAMMAF],[1],[libm includes lgammaf])])
 AC_CHECK_LIB([m],[lgammal],[AC_DEFINE([HAVE_LGAMMAL],[1],[libm includes lgammal])])
 
+# Check for GFORTRAN_C99_1.1 funcs
+AC_CHECK_LIB([m],[cacos],[AC_DEFINE([HAVE_CACOS],[1],[libm includes cacos])])
+AC_CHECK_LIB([m],[cacosf],[AC_DEFINE([HAVE_CACOSF],[1],[libm includes cacosf])])
+AC_CHECK_LIB([m],[cacosh],[AC_DEFINE([HAVE_CACOSH],[1],[libm includes cacosh])])
+AC_CHECK_LIB([m],[cacoshf],[AC_DEFINE([HAVE_CACOSHF],[1],[libm includes cacoshf])])
+AC_CHECK_LIB([m],[cacoshl],[AC_DEFINE([HAVE_CACOSHL],[1],[libm includes cacoshl])])
+AC_CHECK_LIB([m],[cacosl],[AC_DEFINE([HAVE_CACOSL],[1],[libm includes cacosl])])
+AC_CHECK_LIB([m],[casin],[AC_DEFINE([HAVE_CASIN],[1],[libm includes casin])])
+AC_CHECK_LIB([m],[casinf],[AC_DEFINE([HAVE_CASINF],[1],[libm includes casinf])])
+AC_CHECK_LIB([m],[casinh],[AC_DEFINE([HAVE_CASINH],[1],[libm includes casinh])])
+AC_CHECK_LIB([m],[casinhf],[AC_DEFINE([HAVE_CASINHF],[1],[libm includes casinhf])])
+AC_CHECK_LIB([m],[casinhl],[AC_DEFINE([HAVE_CASINHL],[1],[libm includes casinhl])])
+AC_CHECK_LIB([m],[casinl],[AC_DEFINE([HAVE_CASINL],[1],[libm includes casinl])])
+AC_CHECK_LIB([m],[catan],[AC_DEFINE([HAVE_CATAN],[1],[libm includes catan])])
+AC_CHECK_LIB([m],[catanf],[AC_DEFINE([HAVE_CATANF],[1],[libm includes catanf])])
+AC_CHECK_LIB([m],[catanh],[AC_DEFINE([HAVE_CATANH],[1],[libm includes catanh])])
+AC_CHECK_LIB([m],[catanhf],[AC_DEFINE([HAVE_CATANHF],[1],[libm includes catanhf])])
+AC_CHECK_LIB([m],[catanhl],[AC_DEFINE([HAVE_CATANHL],[1],[libm includes catanhl])])
+AC_CHECK_LIB([m],[catanl],[AC_DEFINE([HAVE_CATANL],[1],[libm includes catanl])])
+
 # On AIX, clog is present in libm as __clog
 AC_CHECK_LIB([m],[__clog],[AC_DEFINE([HAVE_CLOG],[1],[libm includes clog])])